Warm Deep Bass, Powerful “Rim Smacking” Midrange and Silky Smooth Highs best describes the Massive Audio ZK 6 Series Component speakers. Right from the start it’s 25mm Silk Dome Ferro Fluid cooled tweeters, solid cast power coated aluminum baskets holding Nomex Spiders bonded to a Woven Fiber Paper Cone that’s surrounded by smooth Butyl Rubber lets you know you are in for ride of your life! All this technology can be powered with up to 400 Watts due to high powered Y40 Magnets and all ZK 6 drivers are controlled by High Powered Completion Grade 12 dB Crossovers. With all that performance I’ll “Z” You at the Finish Line!”